73745343 has 32 divisors (see below), whose sum is σ = 127424000. Its totient is φ = 42134904.

The previous prime is 73745299. The next prime is 73745351. The reversal of 73745343 is 34354737.

It is not a de Polignac number, because 73745343 - 2¹⁴ = 73728959 is a prime.

It is a super-2 number, since 2×73745343² = 10876751228375298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73745298 and 73745307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73745143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5280 + ... + 13242.

It is an arithmetic number, because the mean of its divisors is an integer number (3982000).

Almost surely, 2^73745343 is an apocalyptic number.

73745343 is a deficient number, since it is larger than the sum of its proper divisors (53678657).

73745343 is an equidigital number, since it uses as much as digits as its factorization.

73745343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993 (or 7973 counting only the distinct ones).

The product of its digits is 105840, while the sum is 36.

The square root of 73745343 is about 8587.5108733556. The cubic root of 73745343 is about 419.3514991980.

It can be divided in two parts, 73745 and 343, that added together give a cube (74088 = 42³).

The spelling of 73745343 in words is "seventy-three million, seven hundred forty-five thousand, three hundred forty-three".